From 0d5b61161be04616973495ba39822e1af60a6f0b Mon Sep 17 00:00:00 2001
From: Evgeny Fadeev <evgeny.fadeev@gmail.com>
Date: Mon, 15 Apr 2013 05:25:59 -0400
Subject: added basic UI for auto-tweeting

---
 askbot/deps/django_authopenid/util.py              | 15 ++--
 askbot/media/js/user.js                            | 82 ++++++++++++++++++++++
 askbot/media/style/style.css                       |  7 ++
 askbot/media/style/style.less                      | 12 +++-
 .../user_profile/twitter_sharing_controls.html     | 12 ++--
 askbot/urls.py                                     | 15 ++++
 askbot/views/__init__.py                           |  1 +
 askbot/views/sharing.py                            | 53 ++++++++++++++
 8 files changed, 186 insertions(+), 11 deletions(-)
 create mode 100644 askbot/views/sharing.py

diff --git a/askbot/deps/django_authopenid/util.py b/askbot/deps/django_authopenid/util.py
index 7e78da16..03e70922 100644
--- a/askbot/deps/django_authopenid/util.py
+++ b/askbot/deps/django_authopenid/util.py
@@ -757,11 +757,8 @@ class OAuthConnection(object):
     def get_token(self):
         return self.request_token
 
-    def get_user_id(self, oauth_token = None, oauth_verifier = None):
-        """Returns user ID within the OAuth provider system,
-        based on ``oauth_token`` and ``oauth_verifier``
-        """
-
+    def get_access_token(self, oauth_token=None, oauth_verifier=None):
+        """returns data as returned upon visiting te access_token_url"""
         token = oauth.Token(
                     oauth_token['oauth_token'],
                     oauth_token['oauth_token_secret']
@@ -770,7 +767,13 @@ class OAuthConnection(object):
         client = oauth.Client(self.consumer, token = token)
         url = self.parameters['access_token_url']
         #there must be some provider-specific post-processing
-        data = self.send_request(client = client, url=url, method='GET')
+        return self.send_request(client = client, url=url, method='GET')
+
+    def get_user_id(self, oauth_token = None, oauth_verifier = None):
+        """Returns user ID within the OAuth provider system,
+        based on ``oauth_token`` and ``oauth_verifier``
+        """
+        data = self.get_access_token(oauth_token, oauth_verifier)
         data['consumer_key'] = self.parameters['consumer_key']
         data['consumer_secret'] = self.parameters['consumer_secret']
         return self.parameters['get_user_id_function'](data)
diff --git a/askbot/media/js/user.js b/askbot/media/js/user.js
index 251ee004..a1ea840b 100644
--- a/askbot/media/js/user.js
+++ b/askbot/media/js/user.js
@@ -993,6 +993,82 @@ UserGroupsEditor.prototype.decorate = function(element){
     //todo - add group deleters
 };
 
+/**
+ * controls that set up automatic tweeting to the user account
+ */
+var Tweeting = function() {
+    WrappedElement.call(this);
+};
+inherits(Tweeting, WrappedElement);
+
+Tweeting.prototype.getStartHandler = function() {
+    var url = this._startUrl;
+    return function() {
+        window.location.href = url;
+    };
+};
+
+Tweeting.prototype.getMode = function() {
+    return this._modeSelector.val();
+};
+
+Tweeting.prototype.getModeSelectorHandler = function() {
+    var me = this;
+    var url = this._changeModeUrl;
+    return function() {
+        $.ajax({
+            type: 'POST',
+            dataType: 'json',
+            url: url,
+            data: {'mode': me.getMode() },
+            cache: false
+        });
+    };
+};
+
+Tweeting.prototype.getAccount = function() {
+    return this._accountSelector.val();
+};
+
+Tweeting.prototype.getAccountSelectorHandler = function() {
+    var selectAccountUrl = this._changeModeUrl;
+    var startUrl = this._startUrl;
+    var me = this;
+    return function() {
+        var account = me.getAccount();
+        if (account === 'existing-handle') {
+            $.ajax({
+                type: 'POST',
+                dataType: 'json',
+                url: selectAccountUrl,
+                data: {'mode': 'share-my-posts' },
+                cache: false
+            });
+        } else if (account === 'new-handle') {
+            window.location.href = startUrl;
+        }
+    }
+};
+
+Tweeting.prototype.decorate = function(element) {
+    this._element = element;
+    this._changeModeUrl = element.data('changeModeUrl');
+    this._startUrl = element.data('startUrl');
+    if (element.hasClass('disabled')) {
+        this._startButton = element.find('.start-tweeting');
+        this._startUrl = this._startButton.data('url');
+        setupButtonEventHandlers(this._startButton, this.getStartHandler());
+    } else if (element.hasClass('inactive')) {
+        //decorate choose account selector
+        this._accountSelector = element.find('select');
+        this._accountSelector.change(this.getAccountSelectorHandler());
+    } else if (element.hasClass('enabled')) {
+        //decorate choose mode selector
+        this._modeSelector = element.find('select');
+        this._modeSelector.change(this.getModeSelectorHandler());
+    }
+};
+
 (function(){
     var fbtn = $('.follow-user-toggle');
     if (fbtn.length === 1){
@@ -1010,4 +1086,10 @@ UserGroupsEditor.prototype.decorate = function(element){
     } else {
         $('#add-group').remove();
     }
+
+    var tweeting = $('.auto-tweeting');
+    if (tweeting.length) {
+        var tweetingControl = new Tweeting();
+        tweetingControl.decorate(tweeting);
+    }
 })();
diff --git a/askbot/media/style/style.css b/askbot/media/style/style.css
index e818c493..7e60afd2 100644
--- a/askbot/media/style/style.css
+++ b/askbot/media/style/style.css
@@ -2980,6 +2980,9 @@ a:hover.medal {
 .user-details h3 {
   font-size: 16px;
 }
+.user-details td {
+  padding-right: 10px;
+}
 .user-about {
   background-color: #EEEEEE;
   height: 200px;
@@ -4345,3 +4348,7 @@ textarea.tipped-input {
 .tag-subscriptions ul.tags li {
   margin: 2px 5px;
 }
+.auto-tweeting select {
+  width: auto;
+  margin-bottom: 0;
+}
diff --git a/askbot/media/style/style.less b/askbot/media/style/style.less
index f3f70679..6e622311 100644
--- a/askbot/media/style/style.less
+++ b/askbot/media/style/style.less
@@ -3088,9 +3088,12 @@ a:hover.medal {
 
 .user-details {
     font-size: 13px;
-    h3{
+    h3 {
         font-size:16px;
     }
+    td {
+        padding-right: 10px;
+    }
 }
 
 .user-about {
@@ -4535,3 +4538,10 @@ textarea.tipped-input {
         margin: 2px 5px;
     }
 }
+
+.auto-tweeting {
+    select {
+        width: auto;
+        margin-bottom: 0;
+    }
+}
diff --git a/askbot/templates/user_profile/twitter_sharing_controls.html b/askbot/templates/user_profile/twitter_sharing_controls.html
index 1e3c3879..bb44ea0c 100644
--- a/askbot/templates/user_profile/twitter_sharing_controls.html
+++ b/askbot/templates/user_profile/twitter_sharing_controls.html
@@ -1,14 +1,17 @@
 {% set auto_tweeting_status = view_user.get_social_sharing_status('twitter') %}
-<tr class="auto-tweeting {{ auto_tweeting_status }}">
+{% set handle = view_user.twitter_handle|escape %}
+<tr class="auto-tweeting {{ auto_tweeting_status }}"
+    data-change-mode-url="{% url 'change_social_sharing_mode' %}"
+    data-start-url="{% url 'start_sharing_twitter' %}"
+>
 {% if auto_tweeting_status == 'enabled' %}
-    {% set handle = view_user.twitter_handle|escape %}
     <td>{% trans %}Auto-tweeting to @{{ handle }}{% endtrans %}</td>
     <td>
         <select class="select-mode">
             {% set mode = view_user.get_social_sharing_mode() %}
             {% if mode == 'share-my-posts' %}
                 <option selected="selected" value="share-my-posts">{% trans %}my posts{% endtrans %}</option>
-                <option value="all-posts">{% trans %}all posts{% endtrans %}</option>
+                <option value="share-everything">{% trans %}all posts{% endtrans %}</option>
             {% else %}
                 <option selected="selected" value="all-posts">{% trans %}all posts{% endtrans %}</option>
                 <option value="share-my-posts">{% trans %}my posts{% endtrans %}</option>
@@ -27,6 +30,7 @@
     </td>
 {% else %}
     <td>{% trans %}Auto-tweeting is off{% endtrans %}</td>
-    <td><button class="submit start-tweeting">{% trans %}Start tweeting{% endtrans %}</button></td>
+    <td><button class="submit start-tweeting">{% trans %}Start tweeting{% endtrans %}</button>
+    </td>
 {% endif %}
 </tr>
diff --git a/askbot/urls.py b/askbot/urls.py
index b140a44a..bd0c3a15 100644
--- a/askbot/urls.py
+++ b/askbot/urls.py
@@ -515,6 +515,21 @@ urlpatterns = patterns('',
         views.widgets.question_widget,
         name = 'question_widget'
     ),
+    url(
+        r'^start-sharing-twitter/$',
+        views.sharing.start_sharing_twitter,
+        name='start_sharing_twitter'
+    ),
+    url(
+        r'^save-twitter-access-token/$',
+        views.sharing.save_twitter_access_token,
+        name='save_twitter_access_token'
+    ),
+    url(#ajax post only
+        r'^change-social-sharing-mode/$',
+        views.sharing.change_social_sharing_mode,
+        name='change_social_sharing_mode'
+    ),
     #upload url is ajax only
     url( r'^%s$' % _('upload/'), views.writers.upload, name='upload'),
     url(r'^%s$' % _('feedback/'), views.meta.feedback, name='feedback'),
diff --git a/askbot/views/__init__.py b/askbot/views/__init__.py
index a3c5e06d..167e231a 100644
--- a/askbot/views/__init__.py
+++ b/askbot/views/__init__.py
@@ -6,6 +6,7 @@ from askbot.views import writers
 from askbot.views import commands
 from askbot.views import users
 from askbot.views import meta
+from askbot.views import sharing
 from askbot.views import widgets
 from django.conf import settings
 if 'avatar' in settings.INSTALLED_APPS:
diff --git a/askbot/views/sharing.py b/askbot/views/sharing.py
new file mode 100644
index 00000000..0ba7686c
--- /dev/null
+++ b/askbot/views/sharing.py
@@ -0,0 +1,53 @@
+from askbot import const
+from askbot.deps.django_authopenid.util import OAuthConnection
+from askbot.utils import decorators
+from django.contrib.auth.decorators import login_required
+from django.core.urlresolvers import reverse
+from django.http import HttpResponseRedirect
+from django.views.decorators import csrf
+from django.utils import simplejson
+
+@login_required
+def start_sharing_twitter(request):
+    #start oauth process to authorize tweeting
+    #on behalf of user
+    callback_url = reverse('save_twitter_access_token')
+    connection = OAuthConnection('twitter', callback_url=callback_url)
+    connection.start()
+    request.session['oauth_token'] = connection.get_token()
+    oauth_url = connection.get_auth_url(login_only=False)
+    return HttpResponseRedirect(oauth_url)
+
+@login_required
+def save_twitter_access_token(request):
+    oauth_token = request.GET['oauth_token']
+    session_oauth_token = request.session['oauth_token']
+    assert(oauth_token == session_oauth_token['oauth_token'])
+    oauth = OAuthConnection('twitter')
+    access_token_data = oauth.get_access_token(
+                                oauth_token = session_oauth_token,
+                                oauth_verifier = request.GET['oauth_verifier']
+                            )
+    #save the access token
+    request.user.twitter_access_token = simplejson.dumps(access_token_data)
+    request.user.twitter_handle = access_token_data['screen_name']
+    if request.user.social_sharing_mode == const.SHARE_NOTHING:
+        request.user.social_sharing_mode = const.SHARE_MY_POSTS
+    request.user.save()
+    #todo: set up user associaton for the login via twitter
+    #todo: save message that user can also login via twitter
+    return HttpResponseRedirect(request.user.get_profile_url())
+
+@csrf.csrf_exempt
+@decorators.ajax_only
+@decorators.post_only
+def change_social_sharing_mode(request):
+    mode = request.POST['mode']
+    if mode == 'share-nothing':
+        request.user.social_sharing_mode = const.SHARE_NOTHING
+    elif mode == 'share-my-posts':
+        request.user.social_sharing_mode = const.SHARE_MY_POSTS
+    else:
+        assert(mode == 'share-everything')
+        request.user.social_sharing_mode = const.SHARE_EVERYTHING
+    request.user.save()
-- 
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